package com.zxxy.gulimall.auth.controller;

import com.alibaba.fastjson.TypeReference;
import com.zxxy.common.constant.AuthServerConstant;
import com.zxxy.common.exception.BizCodeEnme;
import com.zxxy.common.utils.R;
import com.zxxy.common.vo.MemberRespVo;
import com.zxxy.gulimall.auth.feign.MemberFeignService;
import com.zxxy.gulimall.auth.feign.ThirdPartFeignService;
import com.zxxy.gulimall.auth.vo.UserLoginVo;
import com.zxxy.gulimall.auth.vo.UserRegistVo;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;
import javax.sound.midi.Soundbank;
import javax.validation.Valid;
import java.sql.SQLOutput;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

@Controller
public class LoginController {

    /**
     * 发送一个请求直接跳转到一个页面
     * springmvc viewController：将请求和页面映射过来
     *
     * @return
     */


    /*@GetMapping("/login.html")
    public String loginPage(){
        return "login";
    }


    @GetMapping("/reg.html")
    public String regPage(){
        return "reg";
    }*/

    @Autowired
    ThirdPartFeignService thirdPartFeignService;

    @Autowired
    StringRedisTemplate redisTemplate;

    @Autowired
    MemberFeignService memberFeignService;

    @ResponseBody
    @GetMapping("/sms/sendcode")
    public R sendCode(@RequestParam("phone")String phone){
        String redisCode = redisTemplate.opsForValue().get(AuthServerConstant.SMS_CODE_CACHE_PREFIX + phone);
        System.out.println("---====0000"+redisCode);
        if (!StringUtils.isEmpty(redisCode)){
            long l = Long.parseLong(redisCode.split("_")[1]);
            if(System.currentTimeMillis()-l<60000){
                // 60秒内不能再次发送
                return R.error(BizCodeEnme.SMS_CODE_exception.getCode(),BizCodeEnme.SMS_CODE_exception.getMsg());
            }
        }
        // 1、接口防刷

        // 2、验证码的再次校验
        String code = UUID.randomUUID().toString()+"_"+System.currentTimeMillis();

        // redis缓存验证码
        // 防止同一个phone在60秒内再次发送验证码
        redisTemplate.opsForValue().set(AuthServerConstant.SMS_CODE_CACHE_PREFIX+phone,code,10, TimeUnit.SECONDS);



        thirdPartFeignService.sendCode(phone,code);

        return R.ok();
    }

    @PostMapping("/regist")
    public String regist(@Valid UserRegistVo vo, BindingResult result, Model model,
                         RedirectAttributes redirectAttributes){
        if (result.hasErrors()){
            //Map<String,String> errors = new HashMap<>();
            /*result.getFieldErrors().stream().map(fieldError -> {
                String field = fieldError.getField();
                String defaultMessage = fieldError.getDefaultMessage();
                errors.put(field,defaultMessage);
                return "";
            });*/

            Map<String, String> errors = result.getFieldErrors().stream().collect(Collectors.toMap(FieldError::getField, FieldError::getDefaultMessage));
            redirectAttributes.addFlashAttribute("errors",errors);
            // model.addAttribute("errors",errors);
            // request method POST not supported
            // 用户注册 -》/regist[post]--->转发/reg.html(路径映射默认都是get方式访问的)
            return "redirect:http://auth.gulimall.com/reg.html";
        }
        // 真正注册，调用远程服务进行注册
        // 1、校验验证码
        String code = vo.getCode();
        String s = redisTemplate.opsForValue().get(AuthServerConstant.SMS_CODE_CACHE_PREFIX + vo.getPhone());
        if (!StringUtils.isEmpty(s)){
            if (code.equals(s.split("_")[0])){
                // 删除验证码；
                redisTemplate.delete(AuthServerConstant.SMS_CODE_CACHE_PREFIX + vo.getPhone());
                // 验证码通过，  // 真正注册，调用远程服务
                R regist = memberFeignService.regist(vo);
                if (regist.getCode()==0){
                    // 成功

                    return "redirect:http://auth.gulimall.com/login.html";
                }else {
                    // 失败
                    Map<String,String> errors = new HashMap<>();
                    errors.put("msg", regist.getData(new TypeReference<String>(){}));
                    redirectAttributes.addFlashAttribute("errors",errors);
                    return "redirect:http://auth.gulimall.com/reg.html";
                }
            }else {
                Map<String,String> errors = new HashMap<>();
                errors.put("code","验证码错误");
                redirectAttributes.addFlashAttribute("errors",errors);
                return "redirect:http://auth.gulimall.com/reg.html";
            }
        }else {
            Map<String,String> errors = new HashMap<>();
            errors.put("code","验证码错误");
            redirectAttributes.addFlashAttribute("errors",errors);
            return "redirect:http://auth.gulimall.com/reg.html";
        }

        // 注册成功回到首页，回到登录页
        //return "redirect:/login.html";
    }

    @GetMapping("/login")
    public String loginPage(HttpSession session){
        Object attribute = session.getAttribute(AuthServerConstant.LOGIN_USER);
        if (attribute == null){
            return "login";
        }else {
            return "redirect:http://gulimall.com";
        }
    }

    @PostMapping("/login")
    public String login(UserLoginVo vo, RedirectAttributes redirectAttributes, HttpSession session){
        System.out.println(vo.getLoginacct()+"=====");
        // 远程登录
        R login = memberFeignService.login(vo);
        if (login.getCode()==0){
            // 成功
            MemberRespVo data = login.getData(new TypeReference<MemberRespVo>() {
            });
            session.setAttribute(AuthServerConstant.LOGIN_USER,data);
            return "redirect:http://gulimall.com";
        }else {
            Map<String,String> errors = new HashMap<>();
            errors.put("msg",login.getData(new TypeReference<String>(){}));
            redirectAttributes.addFlashAttribute("errors",errors);
            return "redirect:http://auth.gulimall.com/login.html";
        }

    }


}
